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path: root/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
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Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/rtl28xxu.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.c121
1 files changed, 96 insertions, 25 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index fda5c64ba0e8..61d196e8b3ab 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -24,6 +24,7 @@
#include "rtl2830.h"
#include "rtl2832.h"
+#include "rtl2832_sdr.h"
#include "qt1010.h"
#include "mt2060.h"
@@ -35,6 +36,9 @@
#include "tua9001.h"
#include "r820t.h"
+static int rtl28xxu_disable_rc;
+module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
+MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
@@ -513,7 +517,7 @@ err:
return ret;
}
-static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
+static const struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
.ts_mode = 0,
@@ -524,7 +528,7 @@ static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
};
-static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
+static const struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
.ts_mode = 0,
@@ -534,7 +538,7 @@ static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
.agc_targ_val = 0x2d,
};
-static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
+static const struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
.ts_mode = 0,
@@ -548,7 +552,7 @@ static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_priv *priv = d_to_priv(d);
- struct rtl2830_config *rtl2830_config;
+ const struct rtl2830_config *rtl2830_config;
int ret;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
@@ -583,33 +587,31 @@ err:
return ret;
}
-static struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = {
+static const struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
- .if_dvbt = 0,
.tuner = TUNER_RTL2832_FC0012
};
-static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
+static const struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
- .if_dvbt = 0,
.tuner = TUNER_RTL2832_FC0013
};
-static struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = {
+static const struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
.tuner = TUNER_RTL2832_TUA9001,
};
-static struct rtl2832_config rtl28xxu_rtl2832_e4000_config = {
+static const struct rtl2832_config rtl28xxu_rtl2832_e4000_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
.tuner = TUNER_RTL2832_E4000,
};
-static struct rtl2832_config rtl28xxu_rtl2832_r820t_config = {
+static const struct rtl2832_config rtl28xxu_rtl2832_r820t_config = {
.i2c_addr = 0x10,
.xtal = 28800000,
.tuner = TUNER_RTL2832_R820T,
@@ -733,7 +735,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
int ret;
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_priv *priv = d_to_priv(d);
- struct rtl2832_config *rtl2832_config;
+ const struct rtl2832_config *rtl2832_config;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
@@ -772,6 +774,9 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
goto err;
}
+ /* RTL2832 I2C repeater */
+ priv->demod_i2c_adapter = rtl2832_get_i2c_adapter(adap->fe[0]);
+
/* set fe callback */
adap->fe[0]->callback = rtl2832u_frontend_callback;
@@ -851,11 +856,6 @@ err:
return ret;
}
-static const struct e4000_config rtl2832u_e4000_config = {
- .i2c_addr = 0x64,
- .clock = 28800000,
-};
-
static const struct fc2580_config rtl2832u_fc2580_config = {
.i2c_addr = 0x56,
.clock = 16384000,
@@ -889,10 +889,14 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
int ret;
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_priv *priv = d_to_priv(d);
- struct dvb_frontend *fe;
+ struct dvb_frontend *fe = NULL;
+ struct i2c_board_info info;
+ struct i2c_client *client;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
+ memset(&info, 0, sizeof(struct i2c_board_info));
+
switch (priv->tuner) {
case TUNER_RTL2832_FC0012:
fe = dvb_attach(fc0012_attach, adap->fe[0],
@@ -902,7 +906,10 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
* that to the tuner driver */
adap->fe[0]->ops.read_signal_strength =
adap->fe[0]->ops.tuner_ops.get_rf_strength;
- return 0;
+
+ /* attach SDR */
+ dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+ &rtl28xxu_rtl2832_fc0012_config, NULL);
break;
case TUNER_RTL2832_FC0013:
fe = dvb_attach(fc0013_attach, adap->fe[0],
@@ -911,10 +918,43 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
/* fc0013 also supports signal strength reading */
adap->fe[0]->ops.read_signal_strength =
adap->fe[0]->ops.tuner_ops.get_rf_strength;
- return 0;
- case TUNER_RTL2832_E4000:
- fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap,
- &rtl2832u_e4000_config);
+
+ /* attach SDR */
+ dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+ &rtl28xxu_rtl2832_fc0013_config, NULL);
+ break;
+ case TUNER_RTL2832_E4000: {
+ struct v4l2_subdev *sd;
+ struct i2c_adapter *i2c_adap_internal =
+ rtl2832_get_private_i2c_adapter(adap->fe[0]);
+ struct e4000_config e4000_config = {
+ .fe = adap->fe[0],
+ .clock = 28800000,
+ };
+
+ strlcpy(info.type, "e4000", I2C_NAME_SIZE);
+ info.addr = 0x64;
+ info.platform_data = &e4000_config;
+
+ request_module(info.type);
+ client = i2c_new_device(priv->demod_i2c_adapter, &info);
+ if (client == NULL || client->dev.driver == NULL)
+ break;
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ break;
+ }
+
+ priv->client = client;
+ sd = i2c_get_clientdata(client);
+ i2c_set_adapdata(i2c_adap_internal, d);
+
+ /* attach SDR */
+ dvb_attach(rtl2832_sdr_attach, adap->fe[0],
+ i2c_adap_internal,
+ &rtl28xxu_rtl2832_e4000_config, sd);
+ }
break;
case TUNER_RTL2832_FC2580:
fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
@@ -940,6 +980,10 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
/* Use tuner to get the signal strength */
adap->fe[0]->ops.read_signal_strength =
adap->fe[0]->ops.tuner_ops.get_rf_strength;
+
+ /* attach SDR */
+ dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+ &rtl28xxu_rtl2832_r820t_config, NULL);
break;
case TUNER_RTL2832_R828D:
/* power off mn88472 demod on GPIO0 */
@@ -963,12 +1007,11 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
adap->fe[0]->ops.tuner_ops.get_rf_strength;
break;
default:
- fe = NULL;
dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
priv->tuner);
}
- if (fe == NULL) {
+ if (fe == NULL && priv->client == NULL) {
ret = -ENODEV;
goto err;
}
@@ -1013,6 +1056,22 @@ err:
return ret;
}
+static void rtl28xxu_exit(struct dvb_usb_device *d)
+{
+ struct rtl28xxu_priv *priv = d->priv;
+ struct i2c_client *client = priv->client;
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ /* remove I2C tuner */
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
+ return;
+}
+
static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
{
int ret;
@@ -1322,6 +1381,10 @@ err:
static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
struct dvb_usb_rc *rc)
{
+ /* disable IR interrupts in order to avoid SDR sample loss */
+ if (rtl28xxu_disable_rc)
+ return rtl28xx_wr_reg(d, IR_RX_IE, 0x00);
+
/* load empty to enable rc */
if (!rc->map_name)
rc->map_name = RC_MAP_EMPTY;
@@ -1371,6 +1434,7 @@ static const struct dvb_usb_device_properties rtl2832u_props = {
.frontend_attach = rtl2832u_frontend_attach,
.tuner_attach = rtl2832u_tuner_attach,
.init = rtl28xxu_init,
+ .exit = rtl28xxu_exit,
.get_rc_config = rtl2832u_get_rc_config,
.num_adapters = 1,
@@ -1382,6 +1446,7 @@ static const struct dvb_usb_device_properties rtl2832u_props = {
};
static const struct usb_device_id rtl28xxu_id_table[] = {
+ /* RTL2831U devices: */
{ DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
&rtl2831u_props, "Realtek RTL2831U reference design", NULL) },
{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
@@ -1389,6 +1454,7 @@ static const struct usb_device_id rtl28xxu_id_table[] = {
{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
&rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
+ /* RTL2832U devices: */
{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
&rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
@@ -1401,6 +1467,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = {
&rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) },
{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
&rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
+ &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
&rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
@@ -1429,7 +1497,10 @@ static const struct usb_device_id rtl28xxu_id_table[] = {
&rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) },
{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
&rtl2832u_props, "Crypto ReDi PC 50 A", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
+ &rtl2832u_props, "Genius TVGo DVB-T03", NULL) },
+ /* RTL2832P devices: */
{ DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
&rtl2832u_props, "Astrometa DVB-T2", NULL) },
{ }
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 03:38:33 +0000